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Spring -- Docker

容器是 应用层的抽象 ,是标准化的单元,容器内部不包含 操作系统 的细节和内容,比虚拟机 轻量

Spring -- Docker

Docker

开发:简化开发环境的搭建; 运维 :交付系统更为流畅,伸缩性更好

Spring -- Docker

常用命令

镜像相关

  1. docker search <image>
  2. docker pull <image>

容器相关

  1. docker run
  2. docker start/stop <container>
  3. docker ps <container>
  4. docker logs <container>

docker run

  1. docker run [ option… ] image [command] [arg…]
  2. -d:后台运行容器
  3. -e:设置环境变量
  4. --expose/-p 宿主端口:容器端口
  5. --name:指定容器名称
  6. --link:链接其他容器
  7. -v 宿主目录:容器目录,挂载磁盘卷

mongo

docker search

$ docker search mongo
NAME                                DESCRIPTION                                     STARS               OFFICIAL            AUTOMATED
mongo                               MongoDB document databases provide high avai…   6196                [OK]
mongo-express                       Web-based MongoDB admin interface, written w…   516                 [OK]
tutum/mongodb                       MongoDB Docker image – listens in port 27017…   228                                     [OK]
...

docker pull

$ docker pull mongo
Using default tag: latest
latest: Pulling from library/mongo
Digest: sha256:d9e20d05063ba34bac4da916e335c70d6add38241cee1e99ad96c47660bd6955
Status: Image is up to date for mongo:latest
docker.io/library/mongo:latest

docker images

docker images
REPOSITORY                  TAG                 IMAGE ID            CREATED             SIZE
mongo                       latest              cdc6740b66a7        4 weeks ago         361MB
zookeeper                   latest              4ebfb9474e72        5 months ago        150MB
mysql                       latest              7bb2586065cd        5 months ago        477MB
...

docker run

$ docker run -d --name mongo -p 27017:27017 -v ~/docker-data/mongo:/data/db -e MONGO_INITDB_ROOT_USERNAME=root -e MONGO_INITDB_ROOT_PASSWORD=123456 mongo
19fcb168261d63aa094ed79b7d93d997f1b58330537fc76bd1bebf24f8cbee1f

docker ps

$ docker ps -a
CONTAINER ID        IMAGE               COMMAND                  CREATED             STATUS              PORTS                      NAMES
19fcb168261d        mongo               "docker-entrypoint.s…"   6 minutes ago       Up 6 minutes        0.0.0.0:27017->27017/tcp   mongo

docker exec

$ docker exec -it mongo /bin/bash
root@19fcb168261d:/# mongo -uroot -p123456
MongoDB shell version v4.2.0
connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("9413b54e-cf03-4951-9dbb-8e069565a503") }
MongoDB server version: 4.2.0
Welcome to the MongoDB shell.

> show dbs
admin   0.000GB
config  0.000GB
local   0.000GB
原文  http://zhongmingmao.me/2019/08/27/spring-docker/
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